i just installed my perrin stage 3 into my 2008 wrx and i was wondering what should be my next performance upgrade be i have so many ideas but i dont know wich one to do first so opinions would be nice, i currently have perrin intake, stage 3 map from perrin, front mount intercooler, short shifter, 3 inch exhaust and down pipe, perrin light weight pulley, i was thinking maybe a clutch upgrade but opinions would be nice, thanks for the time and whoever responds.